1406632529431 has 2 divisors, whose sum is σ = 1406632529432. Its totient is φ = 1406632529430.

The previous prime is 1406632529429. The next prime is 1406632529483. The reversal of 1406632529431 is 1349252366041.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1406632529431 - 2¹ = 1406632529429 is a prime.

It is a super-2 number, since 2×1406632529431² (a number of 25 digits) contains 22 as substring.

Together with 1406632529429, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1406632529131) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 703316264715 + 703316264716.

It is an arithmetic number, because the mean of its divisors is an integer number (703316264716).

Almost surely, 2^{1406632529431} is an apocalyptic number.

1406632529431 is a deficient number, since it is larger than the sum of its proper divisors (1).

1406632529431 is an equidigital number, since it uses as much as digits as its factorization.

1406632529431 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 933120, while the sum is 46.

The spelling of 1406632529431 in words is "one trillion, four hundred six billion, six hundred thirty-two million, five hundred twenty-nine thousand, four hundred thirty-one".